(19)

(11)

EP 4 515 569 A1

(12)

(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 23722296.3 (22) Date of filing: 25.04.2023

(51) International Patent Classification (IPC):  G16H 30/40(2018.01) (52) Cooperative Patent Classification (CPC): G16H 30/40 (86) International application number: PCT/EP2023/060717 (87) International publication number: WO 2023/208877 (02.11.2023 Gazette 2023/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 27.04.2022 WO PCT/CN2022/089501 07.06.2022 EP 22177525 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: BAI, Xianghui 5656 AG Eindhoven (NL) LIN, Qizhong 5656 AG Eindhoven (NL) CHEN, Jinning 5656 AG Eindhoven (NL) SUN, Luna 5656 AG Eindhoven (NL) WANG, Lu 5656AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)